I am working with an Angular 2 & Ionic 2 app. I had to change to another server for testing and the API has stopped working with the below error message:     Response for preflight has invalid HTTP status code 403   I added this to .htaccess  <...
I found out that following issue occurs on safari via Javascript, jQuery Ajax:   I make a cors simple request using GET Server responses with 302 Safari follows redirect but uses OPTIONS instead of GET as method, so it does a preflight request   I wo...
XMLHttpRequest cannot load http://192.168.1.253:8080/... No   'Access-Control-Allow-Origin' header is present on the requested   resource. Origin 'http://localhost:4200' is therefore not allowed   access. The response had HTTP stat...
My FE application is using API from different domain. I know that it should trigger CORS, but as I understood it shouldn't create preflight for every request.  According to docs, I shouldn't have preflight request for GET method.   Cross-site...
The following code (using the PouchDB Authentication plugin) fails because it triggers the browser to send a CORS preflight request, and CouchDB does not support the OPTIONS HTTP method.  var db = new PouchDB("http://localhost:5984/mydb"); db...
I'm trying to port my Chrome-Plugin to firefox as an addon. My addon fires requests, which are working completely fine in chrome, but in firefox, they were not fired.  Even in the network-tab, I cant see them.  I did some research and find out th...
I'm trying to delete a user from a simple React.js app. I'm receiving a 302 error and my console displays this error as well.     Fetch API cannot load http://localhost:3001/. Response to preflight   request doesn't pass access control ch...
A CORS preflight request obviously uses the OPTIONS method and has an Origin header. However, a browser can decide for any HTTP request to add an Origin header. Also, OPTIONS may be used for other functionality than CORS. (How) Can I identify exactly...
I am trying to parse a JSON file so I can access its data using JavaScript. Here is a sample of the JSON file:   "Veg": { "French beans 300g": 81969, "Bunched beetroot": 78272, "Squash box": 45450, "Bunched carrots...

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